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None

<p>A world map shows major rail routes and inland waterways in the U.S. with blue lines indicating routes. The routes are marked along the Mississippi River, Great Lakes, and coastal regions.</p>

<p>Navigable inlands and intracoastal waterways in North America</p>

Inland and Intracoastal Waterway

North America

nature

Anthropogenic Biomes

Areas at Risk of Soil Degradation

Average Annual Precipitation

Biomes

Climate Zones

Global Mean Temperature, January

Global Mean Temperature, July

Global Surface Warming: Worst-Case Projections (NASA)

Insolation

Land Cover

Major Soil Orders

Prevailing Agricultural Practices

World Elevations